* {
    padding: 0;
    margin: 0;
}

ul {
   list-style: none; 
}
body {
    box-sizing: border-box;
}

/* 清除浮动 */
.clearfix:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    *zoom:1;
}

.w {
    width: 1200px;
    margin: 0 auto;
    background-color: pink;
}
.fl {
 float: left;
}

.fr{
    float: right;
}
/* 头部样式 */
#header {
    height:30px ;
   font-size: 16px;
   background-color: #f1f1f1; 
}
#header a {
    color: red;
}

#header ul li {
    float: left;
}

#header ul li:nth-child(even){
    padding: 0 15px;
}

/* 搜索框样式 */
#nav {
    margin-top: 22px;
}
#nav  .nav_img{
    width: 171px;
    height: 61px;
}
.search  {
    position:relative;
    left: 175px;
}
.search_body input {
    float: left;
    width: 455px;
    height: 35px;
    border: 1px solid red;}

.search button {
    float: left;
    font-size: 18px;
    color: white;
    width: 80px;
    height: 37px;
    background-color: red;
}

.search_words ul {
    position: absolute;
    top: 41px;
    left: 170px;
}
.search_words ul li {
    float: left;
    margin: 0 12px;
    font-size: 10px;
}
.shopping_cars {
    width: 142px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    font-size: 12px;
    border: 1px solid #e1e1e1;
    background-color: #fafcfb;
}

.floor {
    margin-top: 150px;
    height: 480px;
    background-color: #f5f5f5;
}
/* 底部 */
.floor .w {
    background-color: #f5f5f5;

}
.floor_top {
    border-bottom: 1px solid black;
    padding-bottom: 25px;
}
.floor_top ul li{
    float: left;

    margin: 0 40px;
    margin-top: 25px;
    width: 165px;
}
.floor_top ul li:last-child{
margin-right: 0;
}

.floor_top ul li div {
    float: left;
    height: 50px;
    width: 50px;
    background-color: #c41524;
    border-radius: 50%;
}

.floor_top  ul li p {
    font-size: 10px;
}
.floor_middle {
    border-bottom: 1px solid black;
}
.floor_middle dl {
    float: left;
    margin: 0 50px;
}

.floor_middle dl dt {
    margin: 20px 0 10px 0;
}

.floor_middle dl dd {
    height: 20px;
    line-height: 20px;
    font-size: 12px;
}

.floor_bottom ul{
    margin: 18px 0;
}

.floor_bottom ul li {
    float: left;
    font-size: 15px;
}
.floor_bottom ul li:nth-child(even)
{
    margin: 0 15px;
}
.floor_bottom div {
    text-align: center;
}
